/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1230.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-46f3038-m
[2020-07-08 21:48:39,603 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-08 21:48:39,606 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2020-07-08 21:48:39,619 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
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[2020-07-08 21:48:39,621 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-08 21:48:39,626 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-07-08 21:48:39,629 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
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[2020-07-08 21:48:39,631 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-08 21:48:39,632 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-08 21:48:39,633 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-08 21:48:39,635 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-08 21:48:39,637 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-08 21:48:39,639 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-08 21:48:39,640 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-08 21:48:39,641 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-08 21:48:39,641 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-08 21:48:39,644 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-08 21:48:39,654 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-07-08 21:48:39,664 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-08 21:48:39,664 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-08 21:48:39,665 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-08 21:48:39,666 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-08 21:48:39,666 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-08 21:48:39,666 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-08 21:48:39,666 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-08 21:48:39,666 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-08 21:48:39,667 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-08 21:48:39,667 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-08 21:48:39,667 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-08 21:48:39,667 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-08 21:48:39,667 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-08 21:48:39,668 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-08 21:48:39,668 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-08 21:48:39,668 INFO  L138        SettingsManager]:  * Size of a code block=SingleStatement
[2020-07-08 21:48:39,668 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-08 21:48:39,668 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-08 21:48:39,669 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-08 21:48:39,669 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-08 21:48:39,669 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-07-08 21:48:39,669 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-08 21:48:39,669 INFO  L138        SettingsManager]:  * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-07-08 21:48:39,984 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-08 21:48:39,998 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-08 21:48:40,002 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-08 21:48:40,004 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-08 21:48:40,004 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-08 21:48:40,005 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1230.c
[2020-07-08 21:48:40,073 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0c8e28a/97f6fcd1a182432785aab1816e1660ba/FLAGe747b529a
[2020-07-08 21:48:40,539 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-08 21:48:40,540 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1230.c
[2020-07-08 21:48:40,548 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0c8e28a/97f6fcd1a182432785aab1816e1660ba/FLAGe747b529a
[2020-07-08 21:48:40,929 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0c8e28a/97f6fcd1a182432785aab1816e1660ba
[2020-07-08 21:48:40,943 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-08 21:48:40,946 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-08 21:48:40,949 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-08 21:48:40,949 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-08 21:48:40,953 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-08 21:48:40,955 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:48:40" (1/1) ...
[2020-07-08 21:48:40,960 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1975b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:40, skipping insertion in model container
[2020-07-08 21:48:40,960 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:48:40" (1/1) ...
[2020-07-08 21:48:40,969 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-08 21:48:40,994 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-08 21:48:41,274 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-08 21:48:41,278 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-08 21:48:41,330 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-08 21:48:41,453 INFO  L208         MainTranslator]: Completed translation
[2020-07-08 21:48:41,454 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41 WrapperNode
[2020-07-08 21:48:41,454 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-08 21:48:41,455 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-08 21:48:41,455 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-08 21:48:41,455 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-08 21:48:41,469 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,470 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,480 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,480 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,493 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,499 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,501 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
[2020-07-08 21:48:41,504 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-08 21:48:41,504 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-08 21:48:41,504 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-08 21:48:41,505 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-08 21:48:41,506 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-08 21:48:41,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-08 21:48:41,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-08 21:48:41,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure __fpclassify_float
[2020-07-08 21:48:41,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure fmin_float
[2020-07-08 21:48:41,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure isnan_float
[2020-07-08 21:48:41,569 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure __fpclassify_float
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-08 21:48:41,569 INFO  L130     BoogieDeclarations]: Found specification of procedure fmin_float
[2020-07-08 21:48:41,570 INFO  L130     BoogieDeclarations]: Found specification of procedure isnan_float
[2020-07-08 21:48:41,570 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-08 21:48:41,570 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-08 21:48:41,570 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-08 21:48:41,570 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-08 21:48:41,571 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2020-07-08 21:48:42,071 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-08 21:48:42,072 INFO  L295             CfgBuilder]: Removed 2 assume(true) statements.
[2020-07-08 21:48:42,077 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:48:42 BoogieIcfgContainer
[2020-07-08 21:48:42,077 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-08 21:48:42,078 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-08 21:48:42,078 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-08 21:48:42,082 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-08 21:48:42,082 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:48:40" (1/3) ...
[2020-07-08 21:48:42,083 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57520d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:48:42, skipping insertion in model container
[2020-07-08 21:48:42,083 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:48:41" (2/3) ...
[2020-07-08 21:48:42,084 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57520d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:48:42, skipping insertion in model container
[2020-07-08 21:48:42,084 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:48:42" (3/3) ...
[2020-07-08 21:48:42,086 INFO  L109   eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c
[2020-07-08 21:48:42,096 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-07-08 21:48:42,104 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-08 21:48:42,114 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-08 21:48:42,134 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-08 21:48:42,135 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-08 21:48:42,135 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-07-08 21:48:42,135 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-08 21:48:42,137 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-08 21:48:42,138 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-08 21:48:42,138 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-08 21:48:42,138 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-08 21:48:42,152 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states.
[2020-07-08 21:48:42,164 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-07-08 21:48:42,164 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-08 21:48:42,165 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-08 21:48:42,166 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-08 21:48:42,171 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-08 21:48:42,171 INFO  L82        PathProgramCache]: Analyzing trace with hash 337584138, now seen corresponding path program 1 times
[2020-07-08 21:48:42,178 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-08 21:48:42,179 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824755751]
[2020-07-08 21:48:42,179 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-08 21:48:42,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:42,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:42,391 INFO  L280        TraceCheckUtils]: 0: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {76#true} is VALID
[2020-07-08 21:48:42,391 INFO  L280        TraceCheckUtils]: 1: Hoare triple {76#true} #valid := #valid[0 := 0]; {76#true} is VALID
[2020-07-08 21:48:42,392 INFO  L280        TraceCheckUtils]: 2: Hoare triple {76#true} assume 0 < #StackHeapBarrier; {76#true} is VALID
[2020-07-08 21:48:42,393 INFO  L280        TraceCheckUtils]: 3: Hoare triple {76#true} assume true; {76#true} is VALID
[2020-07-08 21:48:42,393 INFO  L275        TraceCheckUtils]: 4: Hoare quadruple {76#true} {76#true} #112#return; {76#true} is VALID
[2020-07-08 21:48:42,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:42,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:42,483 INFO  L280        TraceCheckUtils]: 0: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,483 INFO  L280        TraceCheckUtils]: 1: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID
[2020-07-08 21:48:42,485 INFO  L280        TraceCheckUtils]: 2: Hoare triple {76#true} assume !true; {77#false} is VALID
[2020-07-08 21:48:42,485 INFO  L280        TraceCheckUtils]: 3: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID
[2020-07-08 21:48:42,486 INFO  L280        TraceCheckUtils]: 4: Hoare triple {77#false} #res := 2; {77#false} is VALID
[2020-07-08 21:48:42,486 INFO  L280        TraceCheckUtils]: 5: Hoare triple {77#false} assume true; {77#false} is VALID
[2020-07-08 21:48:42,487 INFO  L275        TraceCheckUtils]: 6: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID
[2020-07-08 21:48:42,488 INFO  L280        TraceCheckUtils]: 0: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,489 INFO  L280        TraceCheckUtils]: 1: Hoare triple {76#true} ~y := #in~y; {76#true} is VALID
[2020-07-08 21:48:42,492 INFO  L263        TraceCheckUtils]: 2: Hoare triple {76#true} call #t~ret2 := __fpclassify_float(~x); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:42,492 INFO  L280        TraceCheckUtils]: 3: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,493 INFO  L280        TraceCheckUtils]: 4: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID
[2020-07-08 21:48:42,496 INFO  L280        TraceCheckUtils]: 5: Hoare triple {76#true} assume !true; {77#false} is VALID
[2020-07-08 21:48:42,497 INFO  L280        TraceCheckUtils]: 6: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID
[2020-07-08 21:48:42,497 INFO  L280        TraceCheckUtils]: 7: Hoare triple {77#false} #res := 2; {77#false} is VALID
[2020-07-08 21:48:42,498 INFO  L280        TraceCheckUtils]: 8: Hoare triple {77#false} assume true; {77#false} is VALID
[2020-07-08 21:48:42,498 INFO  L275        TraceCheckUtils]: 9: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID
[2020-07-08 21:48:42,499 INFO  L280        TraceCheckUtils]: 10: Hoare triple {77#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {77#false} is VALID
[2020-07-08 21:48:42,499 INFO  L280        TraceCheckUtils]: 11: Hoare triple {77#false} assume 0 == #t~ret2; {77#false} is VALID
[2020-07-08 21:48:42,499 INFO  L280        TraceCheckUtils]: 12: Hoare triple {77#false} havoc #t~ret2; {77#false} is VALID
[2020-07-08 21:48:42,500 INFO  L280        TraceCheckUtils]: 13: Hoare triple {77#false} #res := ~y; {77#false} is VALID
[2020-07-08 21:48:42,501 INFO  L280        TraceCheckUtils]: 14: Hoare triple {77#false} assume true; {77#false} is VALID
[2020-07-08 21:48:42,501 INFO  L275        TraceCheckUtils]: 15: Hoare quadruple {77#false} {76#true} #104#return; {77#false} is VALID
[2020-07-08 21:48:42,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:42,541 INFO  L280        TraceCheckUtils]: 0: Hoare triple {76#true} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,542 INFO  L280        TraceCheckUtils]: 1: Hoare triple {76#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {76#true} is VALID
[2020-07-08 21:48:42,542 INFO  L280        TraceCheckUtils]: 2: Hoare triple {76#true} assume true; {76#true} is VALID
[2020-07-08 21:48:42,542 INFO  L275        TraceCheckUtils]: 3: Hoare quadruple {76#true} {77#false} #106#return; {77#false} is VALID
[2020-07-08 21:48:42,544 INFO  L263        TraceCheckUtils]: 0: Hoare triple {76#true} call ULTIMATE.init(); {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-08 21:48:42,545 INFO  L280        TraceCheckUtils]: 1: Hoare triple {103#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {76#true} is VALID
[2020-07-08 21:48:42,545 INFO  L280        TraceCheckUtils]: 2: Hoare triple {76#true} #valid := #valid[0 := 0]; {76#true} is VALID
[2020-07-08 21:48:42,546 INFO  L280        TraceCheckUtils]: 3: Hoare triple {76#true} assume 0 < #StackHeapBarrier; {76#true} is VALID
[2020-07-08 21:48:42,546 INFO  L280        TraceCheckUtils]: 4: Hoare triple {76#true} assume true; {76#true} is VALID
[2020-07-08 21:48:42,546 INFO  L275        TraceCheckUtils]: 5: Hoare quadruple {76#true} {76#true} #112#return; {76#true} is VALID
[2020-07-08 21:48:42,547 INFO  L263        TraceCheckUtils]: 6: Hoare triple {76#true} call #t~ret7 := main(); {76#true} is VALID
[2020-07-08 21:48:42,547 INFO  L280        TraceCheckUtils]: 7: Hoare triple {76#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {76#true} is VALID
[2020-07-08 21:48:42,547 INFO  L280        TraceCheckUtils]: 8: Hoare triple {76#true} ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {76#true} is VALID
[2020-07-08 21:48:42,550 INFO  L263        TraceCheckUtils]: 9: Hoare triple {76#true} call #t~ret5 := fmin_float(~x~0, ~y~0); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:42,550 INFO  L280        TraceCheckUtils]: 10: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,551 INFO  L280        TraceCheckUtils]: 11: Hoare triple {76#true} ~y := #in~y; {76#true} is VALID
[2020-07-08 21:48:42,553 INFO  L263        TraceCheckUtils]: 12: Hoare triple {76#true} call #t~ret2 := __fpclassify_float(~x); {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:42,553 INFO  L280        TraceCheckUtils]: 13: Hoare triple {104#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,553 INFO  L280        TraceCheckUtils]: 14: Hoare triple {76#true} havoc ~w~0; {76#true} is VALID
[2020-07-08 21:48:42,554 INFO  L280        TraceCheckUtils]: 15: Hoare triple {76#true} assume !true; {77#false} is VALID
[2020-07-08 21:48:42,555 INFO  L280        TraceCheckUtils]: 16: Hoare triple {77#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {77#false} is VALID
[2020-07-08 21:48:42,555 INFO  L280        TraceCheckUtils]: 17: Hoare triple {77#false} #res := 2; {77#false} is VALID
[2020-07-08 21:48:42,556 INFO  L280        TraceCheckUtils]: 18: Hoare triple {77#false} assume true; {77#false} is VALID
[2020-07-08 21:48:42,556 INFO  L275        TraceCheckUtils]: 19: Hoare quadruple {77#false} {76#true} #108#return; {77#false} is VALID
[2020-07-08 21:48:42,556 INFO  L280        TraceCheckUtils]: 20: Hoare triple {77#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {77#false} is VALID
[2020-07-08 21:48:42,557 INFO  L280        TraceCheckUtils]: 21: Hoare triple {77#false} assume 0 == #t~ret2; {77#false} is VALID
[2020-07-08 21:48:42,557 INFO  L280        TraceCheckUtils]: 22: Hoare triple {77#false} havoc #t~ret2; {77#false} is VALID
[2020-07-08 21:48:42,561 INFO  L280        TraceCheckUtils]: 23: Hoare triple {77#false} #res := ~y; {77#false} is VALID
[2020-07-08 21:48:42,561 INFO  L280        TraceCheckUtils]: 24: Hoare triple {77#false} assume true; {77#false} is VALID
[2020-07-08 21:48:42,561 INFO  L275        TraceCheckUtils]: 25: Hoare quadruple {77#false} {76#true} #104#return; {77#false} is VALID
[2020-07-08 21:48:42,562 INFO  L280        TraceCheckUtils]: 26: Hoare triple {77#false} ~res~0 := #t~ret5; {77#false} is VALID
[2020-07-08 21:48:42,562 INFO  L280        TraceCheckUtils]: 27: Hoare triple {77#false} havoc #t~ret5; {77#false} is VALID
[2020-07-08 21:48:42,563 INFO  L263        TraceCheckUtils]: 28: Hoare triple {77#false} call #t~ret6 := isnan_float(~res~0); {76#true} is VALID
[2020-07-08 21:48:42,563 INFO  L280        TraceCheckUtils]: 29: Hoare triple {76#true} ~x := #in~x; {76#true} is VALID
[2020-07-08 21:48:42,563 INFO  L280        TraceCheckUtils]: 30: Hoare triple {76#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {76#true} is VALID
[2020-07-08 21:48:42,564 INFO  L280        TraceCheckUtils]: 31: Hoare triple {76#true} assume true; {76#true} is VALID
[2020-07-08 21:48:42,564 INFO  L275        TraceCheckUtils]: 32: Hoare quadruple {76#true} {77#false} #106#return; {77#false} is VALID
[2020-07-08 21:48:42,564 INFO  L280        TraceCheckUtils]: 33: Hoare triple {77#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {77#false} is VALID
[2020-07-08 21:48:42,565 INFO  L280        TraceCheckUtils]: 34: Hoare triple {77#false} assume 0 == #t~ret6; {77#false} is VALID
[2020-07-08 21:48:42,565 INFO  L280        TraceCheckUtils]: 35: Hoare triple {77#false} havoc #t~ret6; {77#false} is VALID
[2020-07-08 21:48:42,567 INFO  L280        TraceCheckUtils]: 36: Hoare triple {77#false} assume !false; {77#false} is VALID
[2020-07-08 21:48:42,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-08 21:48:42,575 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824755751]
[2020-07-08 21:48:42,578 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-08 21:48:42,579 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-08 21:48:42,580 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888687912]
[2020-07-08 21:48:42,589 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 37
[2020-07-08 21:48:42,594 INFO  L84                 Accepts]: Finished accepts. word is accepted.
[2020-07-08 21:48:42,598 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states.
[2020-07-08 21:48:42,674 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:42,674 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-08 21:48:42,674 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-08 21:48:42,683 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-08 21:48:42,685 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-08 21:48:42,687 INFO  L87              Difference]: Start difference. First operand 73 states. Second operand 4 states.
[2020-07-08 21:48:43,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:43,288 INFO  L93              Difference]: Finished difference Result 132 states and 153 transitions.
[2020-07-08 21:48:43,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-07-08 21:48:43,288 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 37
[2020-07-08 21:48:43,289 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-08 21:48:43,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-08 21:48:43,304 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 153 transitions.
[2020-07-08 21:48:43,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-08 21:48:43,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 153 transitions.
[2020-07-08 21:48:43,313 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 153 transitions.
[2020-07-08 21:48:43,508 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:43,526 INFO  L225             Difference]: With dead ends: 132
[2020-07-08 21:48:43,526 INFO  L226             Difference]: Without dead ends: 66
[2020-07-08 21:48:43,530 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-08 21:48:43,550 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2020-07-08 21:48:43,636 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2020-07-08 21:48:43,636 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-08 21:48:43,637 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states.
[2020-07-08 21:48:43,638 INFO  L74              IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states.
[2020-07-08 21:48:43,638 INFO  L87              Difference]: Start difference. First operand 66 states. Second operand 66 states.
[2020-07-08 21:48:43,647 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:43,647 INFO  L93              Difference]: Finished difference Result 66 states and 73 transitions.
[2020-07-08 21:48:43,647 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions.
[2020-07-08 21:48:43,649 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:43,649 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:43,649 INFO  L74              IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states.
[2020-07-08 21:48:43,650 INFO  L87              Difference]: Start difference. First operand 66 states. Second operand 66 states.
[2020-07-08 21:48:43,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:43,657 INFO  L93              Difference]: Finished difference Result 66 states and 73 transitions.
[2020-07-08 21:48:43,657 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions.
[2020-07-08 21:48:43,658 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:43,659 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:43,659 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2020-07-08 21:48:43,659 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-08 21:48:43,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 66 states.
[2020-07-08 21:48:43,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions.
[2020-07-08 21:48:43,666 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 37
[2020-07-08 21:48:43,667 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-08 21:48:43,667 INFO  L479      AbstractCegarLoop]: Abstraction has 66 states and 73 transitions.
[2020-07-08 21:48:43,667 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-08 21:48:43,667 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 66 states and 73 transitions.
[2020-07-08 21:48:43,776 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:43,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions.
[2020-07-08 21:48:43,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-07-08 21:48:43,778 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-08 21:48:43,778 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-08 21:48:43,779 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-08 21:48:43,779 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-08 21:48:43,779 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-08 21:48:43,780 INFO  L82        PathProgramCache]: Analyzing trace with hash -356550436, now seen corresponding path program 1 times
[2020-07-08 21:48:43,780 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-08 21:48:43,780 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544519422]
[2020-07-08 21:48:43,781 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-08 21:48:43,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:43,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:43,886 INFO  L280        TraceCheckUtils]: 0: Hoare triple {681#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {645#true} is VALID
[2020-07-08 21:48:43,886 INFO  L280        TraceCheckUtils]: 1: Hoare triple {645#true} #valid := #valid[0 := 0]; {645#true} is VALID
[2020-07-08 21:48:43,887 INFO  L280        TraceCheckUtils]: 2: Hoare triple {645#true} assume 0 < #StackHeapBarrier; {645#true} is VALID
[2020-07-08 21:48:43,887 INFO  L280        TraceCheckUtils]: 3: Hoare triple {645#true} assume true; {645#true} is VALID
[2020-07-08 21:48:43,887 INFO  L275        TraceCheckUtils]: 4: Hoare quadruple {645#true} {645#true} #112#return; {645#true} is VALID
[2020-07-08 21:48:43,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:43,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:44,006 INFO  L280        TraceCheckUtils]: 0: Hoare triple {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,006 INFO  L280        TraceCheckUtils]: 1: Hoare triple {645#true} havoc ~w~0; {645#true} is VALID
[2020-07-08 21:48:44,007 INFO  L280        TraceCheckUtils]: 2: Hoare triple {645#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {645#true} is VALID
[2020-07-08 21:48:44,007 INFO  L280        TraceCheckUtils]: 3: Hoare triple {645#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {645#true} is VALID
[2020-07-08 21:48:44,008 INFO  L280        TraceCheckUtils]: 4: Hoare triple {645#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {645#true} is VALID
[2020-07-08 21:48:44,008 INFO  L280        TraceCheckUtils]: 5: Hoare triple {645#true} ~w~0 := #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,008 INFO  L280        TraceCheckUtils]: 6: Hoare triple {645#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {645#true} is VALID
[2020-07-08 21:48:44,009 INFO  L280        TraceCheckUtils]: 7: Hoare triple {645#true} havoc #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,009 INFO  L280        TraceCheckUtils]: 8: Hoare triple {645#true} havoc #t~union1; {645#true} is VALID
[2020-07-08 21:48:44,009 INFO  L280        TraceCheckUtils]: 9: Hoare triple {645#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {645#true} is VALID
[2020-07-08 21:48:44,010 INFO  L280        TraceCheckUtils]: 10: Hoare triple {645#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {645#true} is VALID
[2020-07-08 21:48:44,010 INFO  L280        TraceCheckUtils]: 11: Hoare triple {645#true} goto; {645#true} is VALID
[2020-07-08 21:48:44,010 INFO  L280        TraceCheckUtils]: 12: Hoare triple {645#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {645#true} is VALID
[2020-07-08 21:48:44,011 INFO  L280        TraceCheckUtils]: 13: Hoare triple {645#true} #res := 2; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,012 INFO  L280        TraceCheckUtils]: 14: Hoare triple {700#(<= 2 |__fpclassify_float_#res|)} assume true; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,014 INFO  L275        TraceCheckUtils]: 15: Hoare quadruple {700#(<= 2 |__fpclassify_float_#res|)} {645#true} #108#return; {699#(<= 2 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:44,014 INFO  L280        TraceCheckUtils]: 0: Hoare triple {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,015 INFO  L280        TraceCheckUtils]: 1: Hoare triple {645#true} ~y := #in~y; {645#true} is VALID
[2020-07-08 21:48:44,016 INFO  L263        TraceCheckUtils]: 2: Hoare triple {645#true} call #t~ret2 := __fpclassify_float(~x); {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:44,017 INFO  L280        TraceCheckUtils]: 3: Hoare triple {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,017 INFO  L280        TraceCheckUtils]: 4: Hoare triple {645#true} havoc ~w~0; {645#true} is VALID
[2020-07-08 21:48:44,017 INFO  L280        TraceCheckUtils]: 5: Hoare triple {645#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {645#true} is VALID
[2020-07-08 21:48:44,018 INFO  L280        TraceCheckUtils]: 6: Hoare triple {645#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {645#true} is VALID
[2020-07-08 21:48:44,018 INFO  L280        TraceCheckUtils]: 7: Hoare triple {645#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {645#true} is VALID
[2020-07-08 21:48:44,018 INFO  L280        TraceCheckUtils]: 8: Hoare triple {645#true} ~w~0 := #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,019 INFO  L280        TraceCheckUtils]: 9: Hoare triple {645#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {645#true} is VALID
[2020-07-08 21:48:44,019 INFO  L280        TraceCheckUtils]: 10: Hoare triple {645#true} havoc #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,019 INFO  L280        TraceCheckUtils]: 11: Hoare triple {645#true} havoc #t~union1; {645#true} is VALID
[2020-07-08 21:48:44,020 INFO  L280        TraceCheckUtils]: 12: Hoare triple {645#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {645#true} is VALID
[2020-07-08 21:48:44,020 INFO  L280        TraceCheckUtils]: 13: Hoare triple {645#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {645#true} is VALID
[2020-07-08 21:48:44,020 INFO  L280        TraceCheckUtils]: 14: Hoare triple {645#true} goto; {645#true} is VALID
[2020-07-08 21:48:44,021 INFO  L280        TraceCheckUtils]: 15: Hoare triple {645#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {645#true} is VALID
[2020-07-08 21:48:44,022 INFO  L280        TraceCheckUtils]: 16: Hoare triple {645#true} #res := 2; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,022 INFO  L280        TraceCheckUtils]: 17: Hoare triple {700#(<= 2 |__fpclassify_float_#res|)} assume true; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,024 INFO  L275        TraceCheckUtils]: 18: Hoare quadruple {700#(<= 2 |__fpclassify_float_#res|)} {645#true} #108#return; {699#(<= 2 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:44,024 INFO  L280        TraceCheckUtils]: 19: Hoare triple {699#(<= 2 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {699#(<= 2 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:44,025 INFO  L280        TraceCheckUtils]: 20: Hoare triple {699#(<= 2 |fmin_float_#t~ret2|)} assume 0 == #t~ret2; {646#false} is VALID
[2020-07-08 21:48:44,026 INFO  L280        TraceCheckUtils]: 21: Hoare triple {646#false} havoc #t~ret2; {646#false} is VALID
[2020-07-08 21:48:44,026 INFO  L280        TraceCheckUtils]: 22: Hoare triple {646#false} #res := ~y; {646#false} is VALID
[2020-07-08 21:48:44,026 INFO  L280        TraceCheckUtils]: 23: Hoare triple {646#false} assume true; {646#false} is VALID
[2020-07-08 21:48:44,027 INFO  L275        TraceCheckUtils]: 24: Hoare quadruple {646#false} {645#true} #104#return; {646#false} is VALID
[2020-07-08 21:48:44,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:44,035 INFO  L280        TraceCheckUtils]: 0: Hoare triple {645#true} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,035 INFO  L280        TraceCheckUtils]: 1: Hoare triple {645#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {645#true} is VALID
[2020-07-08 21:48:44,036 INFO  L280        TraceCheckUtils]: 2: Hoare triple {645#true} assume true; {645#true} is VALID
[2020-07-08 21:48:44,036 INFO  L275        TraceCheckUtils]: 3: Hoare quadruple {645#true} {646#false} #106#return; {646#false} is VALID
[2020-07-08 21:48:44,037 INFO  L263        TraceCheckUtils]: 0: Hoare triple {645#true} call ULTIMATE.init(); {681#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-08 21:48:44,037 INFO  L280        TraceCheckUtils]: 1: Hoare triple {681#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {645#true} is VALID
[2020-07-08 21:48:44,038 INFO  L280        TraceCheckUtils]: 2: Hoare triple {645#true} #valid := #valid[0 := 0]; {645#true} is VALID
[2020-07-08 21:48:44,038 INFO  L280        TraceCheckUtils]: 3: Hoare triple {645#true} assume 0 < #StackHeapBarrier; {645#true} is VALID
[2020-07-08 21:48:44,038 INFO  L280        TraceCheckUtils]: 4: Hoare triple {645#true} assume true; {645#true} is VALID
[2020-07-08 21:48:44,039 INFO  L275        TraceCheckUtils]: 5: Hoare quadruple {645#true} {645#true} #112#return; {645#true} is VALID
[2020-07-08 21:48:44,039 INFO  L263        TraceCheckUtils]: 6: Hoare triple {645#true} call #t~ret7 := main(); {645#true} is VALID
[2020-07-08 21:48:44,039 INFO  L280        TraceCheckUtils]: 7: Hoare triple {645#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {645#true} is VALID
[2020-07-08 21:48:44,040 INFO  L280        TraceCheckUtils]: 8: Hoare triple {645#true} ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {645#true} is VALID
[2020-07-08 21:48:44,041 INFO  L263        TraceCheckUtils]: 9: Hoare triple {645#true} call #t~ret5 := fmin_float(~x~0, ~y~0); {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:44,041 INFO  L280        TraceCheckUtils]: 10: Hoare triple {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,042 INFO  L280        TraceCheckUtils]: 11: Hoare triple {645#true} ~y := #in~y; {645#true} is VALID
[2020-07-08 21:48:44,043 INFO  L263        TraceCheckUtils]: 12: Hoare triple {645#true} call #t~ret2 := __fpclassify_float(~x); {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:44,043 INFO  L280        TraceCheckUtils]: 13: Hoare triple {682#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,044 INFO  L280        TraceCheckUtils]: 14: Hoare triple {645#true} havoc ~w~0; {645#true} is VALID
[2020-07-08 21:48:44,044 INFO  L280        TraceCheckUtils]: 15: Hoare triple {645#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {645#true} is VALID
[2020-07-08 21:48:44,044 INFO  L280        TraceCheckUtils]: 16: Hoare triple {645#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {645#true} is VALID
[2020-07-08 21:48:44,044 INFO  L280        TraceCheckUtils]: 17: Hoare triple {645#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {645#true} is VALID
[2020-07-08 21:48:44,045 INFO  L280        TraceCheckUtils]: 18: Hoare triple {645#true} ~w~0 := #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,045 INFO  L280        TraceCheckUtils]: 19: Hoare triple {645#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {645#true} is VALID
[2020-07-08 21:48:44,045 INFO  L280        TraceCheckUtils]: 20: Hoare triple {645#true} havoc #t~mem0; {645#true} is VALID
[2020-07-08 21:48:44,046 INFO  L280        TraceCheckUtils]: 21: Hoare triple {645#true} havoc #t~union1; {645#true} is VALID
[2020-07-08 21:48:44,046 INFO  L280        TraceCheckUtils]: 22: Hoare triple {645#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {645#true} is VALID
[2020-07-08 21:48:44,046 INFO  L280        TraceCheckUtils]: 23: Hoare triple {645#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {645#true} is VALID
[2020-07-08 21:48:44,046 INFO  L280        TraceCheckUtils]: 24: Hoare triple {645#true} goto; {645#true} is VALID
[2020-07-08 21:48:44,047 INFO  L280        TraceCheckUtils]: 25: Hoare triple {645#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296; {645#true} is VALID
[2020-07-08 21:48:44,048 INFO  L280        TraceCheckUtils]: 26: Hoare triple {645#true} #res := 2; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,049 INFO  L280        TraceCheckUtils]: 27: Hoare triple {700#(<= 2 |__fpclassify_float_#res|)} assume true; {700#(<= 2 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:44,050 INFO  L275        TraceCheckUtils]: 28: Hoare quadruple {700#(<= 2 |__fpclassify_float_#res|)} {645#true} #108#return; {699#(<= 2 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:44,051 INFO  L280        TraceCheckUtils]: 29: Hoare triple {699#(<= 2 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {699#(<= 2 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:44,051 INFO  L280        TraceCheckUtils]: 30: Hoare triple {699#(<= 2 |fmin_float_#t~ret2|)} assume 0 == #t~ret2; {646#false} is VALID
[2020-07-08 21:48:44,052 INFO  L280        TraceCheckUtils]: 31: Hoare triple {646#false} havoc #t~ret2; {646#false} is VALID
[2020-07-08 21:48:44,052 INFO  L280        TraceCheckUtils]: 32: Hoare triple {646#false} #res := ~y; {646#false} is VALID
[2020-07-08 21:48:44,052 INFO  L280        TraceCheckUtils]: 33: Hoare triple {646#false} assume true; {646#false} is VALID
[2020-07-08 21:48:44,053 INFO  L275        TraceCheckUtils]: 34: Hoare quadruple {646#false} {645#true} #104#return; {646#false} is VALID
[2020-07-08 21:48:44,053 INFO  L280        TraceCheckUtils]: 35: Hoare triple {646#false} ~res~0 := #t~ret5; {646#false} is VALID
[2020-07-08 21:48:44,053 INFO  L280        TraceCheckUtils]: 36: Hoare triple {646#false} havoc #t~ret5; {646#false} is VALID
[2020-07-08 21:48:44,053 INFO  L263        TraceCheckUtils]: 37: Hoare triple {646#false} call #t~ret6 := isnan_float(~res~0); {645#true} is VALID
[2020-07-08 21:48:44,054 INFO  L280        TraceCheckUtils]: 38: Hoare triple {645#true} ~x := #in~x; {645#true} is VALID
[2020-07-08 21:48:44,054 INFO  L280        TraceCheckUtils]: 39: Hoare triple {645#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {645#true} is VALID
[2020-07-08 21:48:44,054 INFO  L280        TraceCheckUtils]: 40: Hoare triple {645#true} assume true; {645#true} is VALID
[2020-07-08 21:48:44,055 INFO  L275        TraceCheckUtils]: 41: Hoare quadruple {645#true} {646#false} #106#return; {646#false} is VALID
[2020-07-08 21:48:44,055 INFO  L280        TraceCheckUtils]: 42: Hoare triple {646#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {646#false} is VALID
[2020-07-08 21:48:44,055 INFO  L280        TraceCheckUtils]: 43: Hoare triple {646#false} assume 0 == #t~ret6; {646#false} is VALID
[2020-07-08 21:48:44,055 INFO  L280        TraceCheckUtils]: 44: Hoare triple {646#false} havoc #t~ret6; {646#false} is VALID
[2020-07-08 21:48:44,056 INFO  L280        TraceCheckUtils]: 45: Hoare triple {646#false} assume !false; {646#false} is VALID
[2020-07-08 21:48:44,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-08 21:48:44,059 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544519422]
[2020-07-08 21:48:44,059 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-08 21:48:44,060 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-08 21:48:44,060 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526030558]
[2020-07-08 21:48:44,061 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 46
[2020-07-08 21:48:44,062 INFO  L84                 Accepts]: Finished accepts. word is accepted.
[2020-07-08 21:48:44,062 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states.
[2020-07-08 21:48:44,113 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:44,113 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-08 21:48:44,113 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-08 21:48:44,114 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-08 21:48:44,114 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-08 21:48:44,114 INFO  L87              Difference]: Start difference. First operand 66 states and 73 transitions. Second operand 6 states.
[2020-07-08 21:48:44,758 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:44,758 INFO  L93              Difference]: Finished difference Result 87 states and 95 transitions.
[2020-07-08 21:48:44,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-08 21:48:44,759 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 46
[2020-07-08 21:48:44,759 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-08 21:48:44,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-08 21:48:44,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions.
[2020-07-08 21:48:44,764 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-08 21:48:44,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions.
[2020-07-08 21:48:44,767 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 95 transitions.
[2020-07-08 21:48:44,883 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:44,887 INFO  L225             Difference]: With dead ends: 87
[2020-07-08 21:48:44,887 INFO  L226             Difference]: Without dead ends: 71
[2020-07-08 21:48:44,889 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-08 21:48:44,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2020-07-08 21:48:44,991 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70.
[2020-07-08 21:48:44,991 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-08 21:48:44,991 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 70 states.
[2020-07-08 21:48:44,991 INFO  L74              IsIncluded]: Start isIncluded. First operand 71 states. Second operand 70 states.
[2020-07-08 21:48:44,992 INFO  L87              Difference]: Start difference. First operand 71 states. Second operand 70 states.
[2020-07-08 21:48:44,997 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:44,997 INFO  L93              Difference]: Finished difference Result 71 states and 79 transitions.
[2020-07-08 21:48:44,997 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions.
[2020-07-08 21:48:44,998 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:44,998 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:44,999 INFO  L74              IsIncluded]: Start isIncluded. First operand 70 states. Second operand 71 states.
[2020-07-08 21:48:44,999 INFO  L87              Difference]: Start difference. First operand 70 states. Second operand 71 states.
[2020-07-08 21:48:45,003 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:45,004 INFO  L93              Difference]: Finished difference Result 71 states and 79 transitions.
[2020-07-08 21:48:45,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions.
[2020-07-08 21:48:45,005 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:45,005 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:45,005 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2020-07-08 21:48:45,005 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-08 21:48:45,006 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 70 states.
[2020-07-08 21:48:45,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions.
[2020-07-08 21:48:45,009 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 46
[2020-07-08 21:48:45,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-08 21:48:45,010 INFO  L479      AbstractCegarLoop]: Abstraction has 70 states and 78 transitions.
[2020-07-08 21:48:45,010 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-08 21:48:45,010 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 78 transitions.
[2020-07-08 21:48:45,109 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:45,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions.
[2020-07-08 21:48:45,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-07-08 21:48:45,111 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-08 21:48:45,111 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-08 21:48:45,111 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-08 21:48:45,111 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-08 21:48:45,112 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-08 21:48:45,112 INFO  L82        PathProgramCache]: Analyzing trace with hash -192516793, now seen corresponding path program 1 times
[2020-07-08 21:48:45,112 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-08 21:48:45,113 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312582145]
[2020-07-08 21:48:45,113 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-08 21:48:45,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:45,202 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:45,209 INFO  L280        TraceCheckUtils]: 0: Hoare triple {1201#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1162#true} is VALID
[2020-07-08 21:48:45,209 INFO  L280        TraceCheckUtils]: 1: Hoare triple {1162#true} #valid := #valid[0 := 0]; {1162#true} is VALID
[2020-07-08 21:48:45,210 INFO  L280        TraceCheckUtils]: 2: Hoare triple {1162#true} assume 0 < #StackHeapBarrier; {1162#true} is VALID
[2020-07-08 21:48:45,210 INFO  L280        TraceCheckUtils]: 3: Hoare triple {1162#true} assume true; {1162#true} is VALID
[2020-07-08 21:48:45,210 INFO  L275        TraceCheckUtils]: 4: Hoare quadruple {1162#true} {1162#true} #112#return; {1162#true} is VALID
[2020-07-08 21:48:45,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:45,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:45,302 INFO  L280        TraceCheckUtils]: 0: Hoare triple {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,302 INFO  L280        TraceCheckUtils]: 1: Hoare triple {1162#true} havoc ~w~0; {1162#true} is VALID
[2020-07-08 21:48:45,302 INFO  L280        TraceCheckUtils]: 2: Hoare triple {1162#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {1162#true} is VALID
[2020-07-08 21:48:45,303 INFO  L280        TraceCheckUtils]: 3: Hoare triple {1162#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {1162#true} is VALID
[2020-07-08 21:48:45,303 INFO  L280        TraceCheckUtils]: 4: Hoare triple {1162#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {1162#true} is VALID
[2020-07-08 21:48:45,303 INFO  L280        TraceCheckUtils]: 5: Hoare triple {1162#true} ~w~0 := #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,303 INFO  L280        TraceCheckUtils]: 6: Hoare triple {1162#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {1162#true} is VALID
[2020-07-08 21:48:45,304 INFO  L280        TraceCheckUtils]: 7: Hoare triple {1162#true} havoc #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,304 INFO  L280        TraceCheckUtils]: 8: Hoare triple {1162#true} havoc #t~union1; {1162#true} is VALID
[2020-07-08 21:48:45,304 INFO  L280        TraceCheckUtils]: 9: Hoare triple {1162#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {1162#true} is VALID
[2020-07-08 21:48:45,304 INFO  L280        TraceCheckUtils]: 10: Hoare triple {1162#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {1162#true} is VALID
[2020-07-08 21:48:45,305 INFO  L280        TraceCheckUtils]: 11: Hoare triple {1162#true} goto; {1162#true} is VALID
[2020-07-08 21:48:45,305 INFO  L280        TraceCheckUtils]: 12: Hoare triple {1162#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {1162#true} is VALID
[2020-07-08 21:48:45,305 INFO  L280        TraceCheckUtils]: 13: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {1162#true} is VALID
[2020-07-08 21:48:45,306 INFO  L280        TraceCheckUtils]: 14: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {1162#true} is VALID
[2020-07-08 21:48:45,306 INFO  L280        TraceCheckUtils]: 15: Hoare triple {1162#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296; {1162#true} is VALID
[2020-07-08 21:48:45,307 INFO  L280        TraceCheckUtils]: 16: Hoare triple {1162#true} #res := 1; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,307 INFO  L280        TraceCheckUtils]: 17: Hoare triple {1223#(= 1 |__fpclassify_float_#res|)} assume true; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,308 INFO  L275        TraceCheckUtils]: 18: Hoare quadruple {1223#(= 1 |__fpclassify_float_#res|)} {1162#true} #108#return; {1222#(= 1 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:45,309 INFO  L280        TraceCheckUtils]: 0: Hoare triple {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,309 INFO  L280        TraceCheckUtils]: 1: Hoare triple {1162#true} ~y := #in~y; {1162#true} is VALID
[2020-07-08 21:48:45,310 INFO  L263        TraceCheckUtils]: 2: Hoare triple {1162#true} call #t~ret2 := __fpclassify_float(~x); {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:45,311 INFO  L280        TraceCheckUtils]: 3: Hoare triple {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,311 INFO  L280        TraceCheckUtils]: 4: Hoare triple {1162#true} havoc ~w~0; {1162#true} is VALID
[2020-07-08 21:48:45,311 INFO  L280        TraceCheckUtils]: 5: Hoare triple {1162#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {1162#true} is VALID
[2020-07-08 21:48:45,311 INFO  L280        TraceCheckUtils]: 6: Hoare triple {1162#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {1162#true} is VALID
[2020-07-08 21:48:45,312 INFO  L280        TraceCheckUtils]: 7: Hoare triple {1162#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {1162#true} is VALID
[2020-07-08 21:48:45,312 INFO  L280        TraceCheckUtils]: 8: Hoare triple {1162#true} ~w~0 := #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,312 INFO  L280        TraceCheckUtils]: 9: Hoare triple {1162#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {1162#true} is VALID
[2020-07-08 21:48:45,313 INFO  L280        TraceCheckUtils]: 10: Hoare triple {1162#true} havoc #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,313 INFO  L280        TraceCheckUtils]: 11: Hoare triple {1162#true} havoc #t~union1; {1162#true} is VALID
[2020-07-08 21:48:45,313 INFO  L280        TraceCheckUtils]: 12: Hoare triple {1162#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {1162#true} is VALID
[2020-07-08 21:48:45,313 INFO  L280        TraceCheckUtils]: 13: Hoare triple {1162#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {1162#true} is VALID
[2020-07-08 21:48:45,314 INFO  L280        TraceCheckUtils]: 14: Hoare triple {1162#true} goto; {1162#true} is VALID
[2020-07-08 21:48:45,314 INFO  L280        TraceCheckUtils]: 15: Hoare triple {1162#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {1162#true} is VALID
[2020-07-08 21:48:45,314 INFO  L280        TraceCheckUtils]: 16: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {1162#true} is VALID
[2020-07-08 21:48:45,314 INFO  L280        TraceCheckUtils]: 17: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {1162#true} is VALID
[2020-07-08 21:48:45,315 INFO  L280        TraceCheckUtils]: 18: Hoare triple {1162#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296; {1162#true} is VALID
[2020-07-08 21:48:45,316 INFO  L280        TraceCheckUtils]: 19: Hoare triple {1162#true} #res := 1; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,316 INFO  L280        TraceCheckUtils]: 20: Hoare triple {1223#(= 1 |__fpclassify_float_#res|)} assume true; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,317 INFO  L275        TraceCheckUtils]: 21: Hoare quadruple {1223#(= 1 |__fpclassify_float_#res|)} {1162#true} #108#return; {1222#(= 1 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:45,318 INFO  L280        TraceCheckUtils]: 22: Hoare triple {1222#(= 1 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1222#(= 1 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:45,319 INFO  L280        TraceCheckUtils]: 23: Hoare triple {1222#(= 1 |fmin_float_#t~ret2|)} assume 0 == #t~ret2; {1163#false} is VALID
[2020-07-08 21:48:45,319 INFO  L280        TraceCheckUtils]: 24: Hoare triple {1163#false} havoc #t~ret2; {1163#false} is VALID
[2020-07-08 21:48:45,319 INFO  L280        TraceCheckUtils]: 25: Hoare triple {1163#false} #res := ~y; {1163#false} is VALID
[2020-07-08 21:48:45,319 INFO  L280        TraceCheckUtils]: 26: Hoare triple {1163#false} assume true; {1163#false} is VALID
[2020-07-08 21:48:45,320 INFO  L275        TraceCheckUtils]: 27: Hoare quadruple {1163#false} {1162#true} #104#return; {1163#false} is VALID
[2020-07-08 21:48:45,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-08 21:48:45,325 INFO  L280        TraceCheckUtils]: 0: Hoare triple {1162#true} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,326 INFO  L280        TraceCheckUtils]: 1: Hoare triple {1162#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {1162#true} is VALID
[2020-07-08 21:48:45,326 INFO  L280        TraceCheckUtils]: 2: Hoare triple {1162#true} assume true; {1162#true} is VALID
[2020-07-08 21:48:45,326 INFO  L275        TraceCheckUtils]: 3: Hoare quadruple {1162#true} {1163#false} #106#return; {1163#false} is VALID
[2020-07-08 21:48:45,328 INFO  L263        TraceCheckUtils]: 0: Hoare triple {1162#true} call ULTIMATE.init(); {1201#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-08 21:48:45,328 INFO  L280        TraceCheckUtils]: 1: Hoare triple {1201#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1162#true} is VALID
[2020-07-08 21:48:45,328 INFO  L280        TraceCheckUtils]: 2: Hoare triple {1162#true} #valid := #valid[0 := 0]; {1162#true} is VALID
[2020-07-08 21:48:45,328 INFO  L280        TraceCheckUtils]: 3: Hoare triple {1162#true} assume 0 < #StackHeapBarrier; {1162#true} is VALID
[2020-07-08 21:48:45,329 INFO  L280        TraceCheckUtils]: 4: Hoare triple {1162#true} assume true; {1162#true} is VALID
[2020-07-08 21:48:45,329 INFO  L275        TraceCheckUtils]: 5: Hoare quadruple {1162#true} {1162#true} #112#return; {1162#true} is VALID
[2020-07-08 21:48:45,329 INFO  L263        TraceCheckUtils]: 6: Hoare triple {1162#true} call #t~ret7 := main(); {1162#true} is VALID
[2020-07-08 21:48:45,329 INFO  L280        TraceCheckUtils]: 7: Hoare triple {1162#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {1162#true} is VALID
[2020-07-08 21:48:45,329 INFO  L280        TraceCheckUtils]: 8: Hoare triple {1162#true} ~y~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {1162#true} is VALID
[2020-07-08 21:48:45,331 INFO  L263        TraceCheckUtils]: 9: Hoare triple {1162#true} call #t~ret5 := fmin_float(~x~0, ~y~0); {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:45,331 INFO  L280        TraceCheckUtils]: 10: Hoare triple {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,331 INFO  L280        TraceCheckUtils]: 11: Hoare triple {1162#true} ~y := #in~y; {1162#true} is VALID
[2020-07-08 21:48:45,333 INFO  L263        TraceCheckUtils]: 12: Hoare triple {1162#true} call #t~ret2 := __fpclassify_float(~x); {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-08 21:48:45,333 INFO  L280        TraceCheckUtils]: 13: Hoare triple {1202#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,333 INFO  L280        TraceCheckUtils]: 14: Hoare triple {1162#true} havoc ~w~0; {1162#true} is VALID
[2020-07-08 21:48:45,333 INFO  L280        TraceCheckUtils]: 15: Hoare triple {1162#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L14-2 {1162#true} is VALID
[2020-07-08 21:48:45,334 INFO  L280        TraceCheckUtils]: 16: Hoare triple {1162#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L15 {1162#true} is VALID
[2020-07-08 21:48:45,334 INFO  L280        TraceCheckUtils]: 17: Hoare triple {1162#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L16 {1162#true} is VALID
[2020-07-08 21:48:45,334 INFO  L280        TraceCheckUtils]: 18: Hoare triple {1162#true} ~w~0 := #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,334 INFO  L280        TraceCheckUtils]: 19: Hoare triple {1162#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L17-1 {1162#true} is VALID
[2020-07-08 21:48:45,335 INFO  L280        TraceCheckUtils]: 20: Hoare triple {1162#true} havoc #t~mem0; {1162#true} is VALID
[2020-07-08 21:48:45,335 INFO  L280        TraceCheckUtils]: 21: Hoare triple {1162#true} havoc #t~union1; {1162#true} is VALID
[2020-07-08 21:48:45,335 INFO  L280        TraceCheckUtils]: 22: Hoare triple {1162#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L15-1 {1162#true} is VALID
[2020-07-08 21:48:45,335 INFO  L280        TraceCheckUtils]: 23: Hoare triple {1162#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {1162#true} is VALID
[2020-07-08 21:48:45,336 INFO  L280        TraceCheckUtils]: 24: Hoare triple {1162#true} goto; {1162#true} is VALID
[2020-07-08 21:48:45,336 INFO  L280        TraceCheckUtils]: 25: Hoare triple {1162#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {1162#true} is VALID
[2020-07-08 21:48:45,336 INFO  L280        TraceCheckUtils]: 26: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {1162#true} is VALID
[2020-07-08 21:48:45,336 INFO  L280        TraceCheckUtils]: 27: Hoare triple {1162#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {1162#true} is VALID
[2020-07-08 21:48:45,337 INFO  L280        TraceCheckUtils]: 28: Hoare triple {1162#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296; {1162#true} is VALID
[2020-07-08 21:48:45,338 INFO  L280        TraceCheckUtils]: 29: Hoare triple {1162#true} #res := 1; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,338 INFO  L280        TraceCheckUtils]: 30: Hoare triple {1223#(= 1 |__fpclassify_float_#res|)} assume true; {1223#(= 1 |__fpclassify_float_#res|)} is VALID
[2020-07-08 21:48:45,339 INFO  L275        TraceCheckUtils]: 31: Hoare quadruple {1223#(= 1 |__fpclassify_float_#res|)} {1162#true} #108#return; {1222#(= 1 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:45,340 INFO  L280        TraceCheckUtils]: 32: Hoare triple {1222#(= 1 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {1222#(= 1 |fmin_float_#t~ret2|)} is VALID
[2020-07-08 21:48:45,341 INFO  L280        TraceCheckUtils]: 33: Hoare triple {1222#(= 1 |fmin_float_#t~ret2|)} assume 0 == #t~ret2; {1163#false} is VALID
[2020-07-08 21:48:45,341 INFO  L280        TraceCheckUtils]: 34: Hoare triple {1163#false} havoc #t~ret2; {1163#false} is VALID
[2020-07-08 21:48:45,341 INFO  L280        TraceCheckUtils]: 35: Hoare triple {1163#false} #res := ~y; {1163#false} is VALID
[2020-07-08 21:48:45,341 INFO  L280        TraceCheckUtils]: 36: Hoare triple {1163#false} assume true; {1163#false} is VALID
[2020-07-08 21:48:45,342 INFO  L275        TraceCheckUtils]: 37: Hoare quadruple {1163#false} {1162#true} #104#return; {1163#false} is VALID
[2020-07-08 21:48:45,342 INFO  L280        TraceCheckUtils]: 38: Hoare triple {1163#false} ~res~0 := #t~ret5; {1163#false} is VALID
[2020-07-08 21:48:45,342 INFO  L280        TraceCheckUtils]: 39: Hoare triple {1163#false} havoc #t~ret5; {1163#false} is VALID
[2020-07-08 21:48:45,342 INFO  L263        TraceCheckUtils]: 40: Hoare triple {1163#false} call #t~ret6 := isnan_float(~res~0); {1162#true} is VALID
[2020-07-08 21:48:45,343 INFO  L280        TraceCheckUtils]: 41: Hoare triple {1162#true} ~x := #in~x; {1162#true} is VALID
[2020-07-08 21:48:45,343 INFO  L280        TraceCheckUtils]: 42: Hoare triple {1162#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {1162#true} is VALID
[2020-07-08 21:48:45,343 INFO  L280        TraceCheckUtils]: 43: Hoare triple {1162#true} assume true; {1162#true} is VALID
[2020-07-08 21:48:45,343 INFO  L275        TraceCheckUtils]: 44: Hoare quadruple {1162#true} {1163#false} #106#return; {1163#false} is VALID
[2020-07-08 21:48:45,344 INFO  L280        TraceCheckUtils]: 45: Hoare triple {1163#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1163#false} is VALID
[2020-07-08 21:48:45,344 INFO  L280        TraceCheckUtils]: 46: Hoare triple {1163#false} assume 0 == #t~ret6; {1163#false} is VALID
[2020-07-08 21:48:45,344 INFO  L280        TraceCheckUtils]: 47: Hoare triple {1163#false} havoc #t~ret6; {1163#false} is VALID
[2020-07-08 21:48:45,344 INFO  L280        TraceCheckUtils]: 48: Hoare triple {1163#false} assume !false; {1163#false} is VALID
[2020-07-08 21:48:45,347 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-08 21:48:45,347 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312582145]
[2020-07-08 21:48:45,348 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-08 21:48:45,348 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-08 21:48:45,348 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911282584]
[2020-07-08 21:48:45,349 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 49
[2020-07-08 21:48:45,349 INFO  L84                 Accepts]: Finished accepts. word is accepted.
[2020-07-08 21:48:45,349 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states.
[2020-07-08 21:48:45,394 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:45,395 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-08 21:48:45,395 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-08 21:48:45,395 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-08 21:48:45,396 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-08 21:48:45,396 INFO  L87              Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 6 states.
[2020-07-08 21:48:46,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:46,009 INFO  L93              Difference]: Finished difference Result 91 states and 100 transitions.
[2020-07-08 21:48:46,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-08 21:48:46,009 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 49
[2020-07-08 21:48:46,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-08 21:48:46,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-08 21:48:46,013 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions.
[2020-07-08 21:48:46,013 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2020-07-08 21:48:46,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions.
[2020-07-08 21:48:46,017 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 95 transitions.
[2020-07-08 21:48:46,120 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:46,123 INFO  L225             Difference]: With dead ends: 91
[2020-07-08 21:48:46,123 INFO  L226             Difference]: Without dead ends: 75
[2020-07-08 21:48:46,124 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-08 21:48:46,124 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2020-07-08 21:48:46,184 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70.
[2020-07-08 21:48:46,184 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-08 21:48:46,184 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 70 states.
[2020-07-08 21:48:46,185 INFO  L74              IsIncluded]: Start isIncluded. First operand 75 states. Second operand 70 states.
[2020-07-08 21:48:46,185 INFO  L87              Difference]: Start difference. First operand 75 states. Second operand 70 states.
[2020-07-08 21:48:46,190 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:46,190 INFO  L93              Difference]: Finished difference Result 75 states and 84 transitions.
[2020-07-08 21:48:46,191 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions.
[2020-07-08 21:48:46,191 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:46,192 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:46,192 INFO  L74              IsIncluded]: Start isIncluded. First operand 70 states. Second operand 75 states.
[2020-07-08 21:48:46,192 INFO  L87              Difference]: Start difference. First operand 70 states. Second operand 75 states.
[2020-07-08 21:48:46,196 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-08 21:48:46,196 INFO  L93              Difference]: Finished difference Result 75 states and 84 transitions.
[2020-07-08 21:48:46,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions.
[2020-07-08 21:48:46,197 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-08 21:48:46,197 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2020-07-08 21:48:46,198 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2020-07-08 21:48:46,198 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-08 21:48:46,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 70 states.
[2020-07-08 21:48:46,201 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions.
[2020-07-08 21:48:46,202 INFO  L78                 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 49
[2020-07-08 21:48:46,202 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-08 21:48:46,202 INFO  L479      AbstractCegarLoop]: Abstraction has 70 states and 78 transitions.
[2020-07-08 21:48:46,202 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-08 21:48:46,202 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 70 states and 78 transitions.
[2020-07-08 21:48:46,300 INFO  L119       InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2020-07-08 21:48:46,301 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions.
[2020-07-08 21:48:46,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2020-07-08 21:48:46,302 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-08 21:48:46,302 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-08 21:48:46,303 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-07-08 21:48:46,303 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-08 21:48:46,303 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-08 21:48:46,303 INFO  L82        PathProgramCache]: Analyzing trace with hash -587463417, now seen corresponding path program 1 times
[2020-07-08 21:48:46,304 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-08 21:48:46,304 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540349331]
[2020-07-08 21:48:46,304 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-08 21:48:46,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-08 21:48:46,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-08 21:48:46,565 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-08 21:48:46,565 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-08 21:48:46,566 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-07-08 21:48:46,602 WARN  L170   areAnnotationChecker]: isnan_floatENTRY has no Hoare annotation
[2020-07-08 21:48:46,602 WARN  L170   areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: fmin_floatENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: mainENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: __fpclassify_floatENTRY has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: L44 has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: L34 has no Hoare annotation
[2020-07-08 21:48:46,603 WARN  L170   areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L55 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L12 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: isnan_floatFINAL has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L-1-1 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L35 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: L35 has no Hoare annotation
[2020-07-08 21:48:46,604 WARN  L170   areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L56 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L56 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L14-2 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L14-2 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: isnan_floatEXIT has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L35-1 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L56-1 has no Hoare annotation
[2020-07-08 21:48:46,605 WARN  L170   areAnnotationChecker]: L15 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L14-3 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L14-3 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L58-1 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L35-2 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L35-2 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L56-2 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L16 has no Hoare annotation
[2020-07-08 21:48:46,606 WARN  L170   areAnnotationChecker]: L21 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L22 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L22 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L58-2 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L58-2 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L35-3 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L35-4 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L58 has no Hoare annotation
[2020-07-08 21:48:46,607 WARN  L170   areAnnotationChecker]: L58 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L17 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: __fpclassify_floatFINAL has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L24 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L25 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L25 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L58-3 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L58-4 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L36 has no Hoare annotation
[2020-07-08 21:48:46,608 WARN  L170   areAnnotationChecker]: L37 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L37 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L17-1 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: __fpclassify_floatEXIT has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: __fpclassify_floatEXIT has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L27 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L28 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L28 has no Hoare annotation
[2020-07-08 21:48:46,609 WARN  L170   areAnnotationChecker]: L59 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L59 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L63 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: fmin_floatFINAL has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L37-1 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L17-2 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L29 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L31 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: L60 has no Hoare annotation
[2020-07-08 21:48:46,610 WARN  L170   areAnnotationChecker]: mainFINAL has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: fmin_floatEXIT has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L37-2 has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L37-2 has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L17-3 has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: mainEXIT has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L37-3 has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L37-4 has no Hoare annotation
[2020-07-08 21:48:46,611 WARN  L170   areAnnotationChecker]: L15-1 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L38 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L40 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L40 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L15-2 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L40-1 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L40-3 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L14-1 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L14-1 has no Hoare annotation
[2020-07-08 21:48:46,612 WARN  L170   areAnnotationChecker]: L40-4 has no Hoare annotation
[2020-07-08 21:48:46,613 WARN  L170   areAnnotationChecker]: L40-5 has no Hoare annotation
[2020-07-08 21:48:46,613 INFO  L163   areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing.
[2020-07-08 21:48:46,616 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 09:48:46 BoogieIcfgContainer
[2020-07-08 21:48:46,616 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-08 21:48:46,620 INFO  L168              Benchmark]: Toolchain (without parser) took 5674.21 ms. Allocated memory was 141.0 MB in the beginning and 303.6 MB in the end (delta: 162.5 MB). Free memory was 97.6 MB in the beginning and 184.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,621 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 116.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,621 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 505.86 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 97.4 MB in the beginning and 177.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,622 INFO  L168              Benchmark]: Boogie Preprocessor took 49.07 ms. Allocated memory is still 198.7 MB. Free memory was 177.6 MB in the beginning and 175.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,623 INFO  L168              Benchmark]: RCFGBuilder took 572.81 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 142.8 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,624 INFO  L168              Benchmark]: TraceAbstraction took 4538.31 ms. Allocated memory was 198.7 MB in the beginning and 303.6 MB in the end (delta: 104.9 MB). Free memory was 142.1 MB in the beginning and 184.1 MB in the end (delta: -42.0 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB.
[2020-07-08 21:48:46,627 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - AssertionsEnabledResult: Assertions are enabled
    Assertions are enabled
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 116.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 505.86 ms. Allocated memory was 141.0 MB in the beginning and 198.7 MB in the end (delta: 57.7 MB). Free memory was 97.4 MB in the beginning and 177.6 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 49.07 ms. Allocated memory is still 198.7 MB. Free memory was 177.6 MB in the beginning and 175.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 572.81 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 142.8 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4538.31 ms. Allocated memory was 198.7 MB in the beginning and 303.6 MB in the end (delta: 104.9 MB). Free memory was 142.1 MB in the beginning and 184.1 MB in the end (delta: -42.0 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - UnprovableResult [Line: 59]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 55. 
Possible FailurePath: 
[L54]                  float x = 0.0f / 0.0f;
[L55]                  float y = 0.0f / 0.0f;
[L56]      CALL, EXPR  fmin_float(x, y)
           VAL         [\old(x)=2139095043, \old(y)=2139095044]
[L35]      CALL, EXPR  __fpclassify_float(x)
           VAL         [\old(x)=2139095043]
[L12]                  __uint32_t w;
           VAL         [\old(x)=2139095043, x=2139095043]
[L15]                  ieee_float_shape_type gf_u;
           VAL         [\old(x)=2139095043, gf_u={2:0}, x=2139095043]
[L16]                  gf_u.value = (x)
           VAL         [\old(x)=2139095043, gf_u={2:0}, x=2139095043]
[L17]      EXPR        gf_u.word
           VAL         [\old(x)=2139095043, gf_u={2:0}, gf_u.word=2139095041, x=2139095043]
[L17]                  (w) = gf_u.word
           VAL         [(w) = gf_u.word=2139095045, \old(x)=2139095043, gf_u={2:0}, gf_u.word=2139095041, w=2139095041, x=2139095043]
[L20]      COND FALSE  !(w == 0x00000000 || w == 0x80000000)
           VAL         [\old(x)=2139095043, w=2139095041, x=2139095043]
[L22-L23]  COND FALSE  !((w >= 0x00800000 && w <= 0x7f7fffff) ||
           (w >= 0x80800000 && w <= 0xff7fffff))
           VAL         [\old(x)=2139095043, w=2139095041, x=2139095043]
[L25-L26]  COND FALSE  !((w >= 0x00000001 && w <= 0x007fffff) ||
           (w >= 0x80000001 && w <= 0x807fffff))
           VAL         [\old(x)=2139095043, w=2139095041, x=2139095043]
[L28]      COND FALSE  !(w == 0x7f800000 || w == 0xff800000)
           VAL         [\old(x)=2139095043, w=2139095041, x=2139095043]
[L31]                  return 0;
           VAL         [\old(x)=2139095043, \result=0, w=2139095041, x=2139095043]
[L35]      RET, EXPR   __fpclassify_float(x)
           VAL         [\old(x)=2139095043, \old(y)=2139095044, __fpclassify_float(x)=0, x=2139095043, y=2139095044]
[L35]      COND TRUE   __fpclassify_float(x) == 0
           VAL         [\old(x)=2139095043, \old(y)=2139095044, __fpclassify_float(x)=0, x=2139095043, y=2139095044]
[L36]                  return y;
           VAL         [\old(x)=2139095043, \old(y)=2139095044, \result=2139095044, x=2139095043, y=2139095044]
[L56]      RET, EXPR   fmin_float(x, y)
           VAL         [fmin_float(x, y)=2139095044, x=2139095043, y=2139095044]
[L56]                  float res = fmin_float(x, y);
           VAL         [fmin_float(x, y)=2139095044, res=2139095044, x=2139095043, y=2139095044]
[L58]      CALL, EXPR  isnan_float(res)
           VAL         [\old(x)=2139095044]
[L44]                  return x != x;
           VAL         [\old(x)=2139095044, \result=0, x=2139095044]
[L58]      RET, EXPR   isnan_float(res)
           VAL         [isnan_float(res)=0, res=2139095044, x=2139095043, y=2139095044]
[L58]      COND TRUE   !isnan_float(res)
           VAL         [isnan_float(res)=0, res=2139095044, x=2139095043, y=2139095044]
[L59]                  __VERIFIER_error()
           VAL         [res=2139095044, x=2139095043, y=2139095044]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 221 SDtfs, 59 SDslu, 387 SDs, 0 SdLazy, 288 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 10626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...